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Related Experiment Video

Updated: May 10, 2026

Design and Analysis for Fall Detection System Simplification
08:05

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Improving safety performance through a user-centric knowledge-based system for fall risk assessment.

Vigneshkumar Chellappa1, Urmi Ravindra Salve2

  • 1School of Design, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR.

Work (Reading, Mass.)
|May 8, 2025
PubMed
Summary

This study developed a knowledge-based system to improve fall risk assessment for vertical formwork in India. The system enhances safety knowledge access, skill development, and overall safety performance in construction projects.

Keywords:
constructionfall preventionknowledge managementrisk assessmentsafety. vertical formwork

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Area of Science:

  • Construction Safety Engineering
  • Knowledge Management Systems
  • Risk Assessment Methodologies

Background:

  • Fall from height (FFH) incidents are a major construction safety issue globally.
  • Integrating knowledge management (KM) into safety risk assessment (RA) is recommended for improved safety.
  • A specific KM system for fall RA in formwork operations is lacking.

Purpose of the Study:

  • To develop and evaluate a knowledge-based system for fall risk assessment (RA) in vertical formwork operations.
  • To address the gap in dedicated KM systems for construction fall RA.
  • To enhance safety performance in Indian construction projects.

Main Methods:

  • A mixed-method approach combining Delphi surveys with experts and document analysis.
  • Knowledge acquisition on fall causes, risks, and preventive measures for vertical formwork.
  • Development and evaluation of a knowledge-based system using end-user surveys and statistical analysis (Krippendorff's alpha).

Main Results:

  • The knowledge-based system provides accessible vertical formwork safety knowledge.
  • It aids in on-the-job learning of safety RA skills and knowledge sharing.
  • The system facilitates the fall RA process, improves safety performance, and saves time.

Conclusions:

  • The developed knowledge-based system is expected to aid decision-making in construction safety.
  • It supports effective fall risk assessment for vertical formwork activities.
  • The system contributes to improved safety management in construction organizations.